Can anyone help(pwease) Barry owns a house on a river. The river flows at 3 km/hr. Barry
decides to start rowing downstream, with the current, at noon. He
wants to return to his house at 5 p. m. At what time should Barry turn
around and row home if he normally rows 5 km/hr in water that has
no current?

I am struggling;-;

How do you solve a question like this?

If i have 20$ and i gave 5$ away how much i got

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp